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Finding the Fourth Proportional to 601,067.70, 901,601.55 and 286,139.70

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Solution

The fourth proportional to 601,067.70, 901,601.55 and 286,139.70 is: 429,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,067.70 : 901,601.55 = 286,139.70 : x
  2. Step 2: Convert to fraction form
    601,067.70/901,601.55 = 286,139.70/x
  3. Step 3: Cross multiply
    601,067.70x = 901,601.55 × 286,139.70
  4. Step 4: Simplify right side
    601,067.70x = 257,983,997,036.54
  5. Step 5: Solve for x
    x = 257,983,997,036.54/601,067.70
  6. Step 6: Final answer
    x = 429,209.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.